Invention Grant
- Patent Title: Depolymerization of oligomeric cyclic ethers
- Patent Title (中): 低聚环醚的解聚
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Application No.: US13514786Application Date: 2009-12-11
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Publication No.: US08809491B2Publication Date: 2014-08-19
- Inventor: Robert B. Osborne , Paul S. Pearlman , Yanhui Sun
- Applicant: Robert B. Osborne , Paul S. Pearlman , Yanhui Sun
- Applicant Address: US DE Wilmington
- Assignee: INVISTA North America S.à r.l.
- Current Assignee: INVISTA North America S.à r.l.
- Current Assignee Address: US DE Wilmington
- Agent Robert B. Furr, Jr.
- International Application: PCT/US2009/067691 WO 20091211
- International Announcement: WO2011/071503 WO 20110616
- Main IPC: C08F6/00
- IPC: C08F6/00 ; C08G65/20 ; C07D307/08 ; C08G65/32
Abstract:
The present invention provides a method for depolymerization of a mixture comprising oligomeric cyclic ethers resulting from copolymerization of at least one tetrahydrofuran and at least one other cyclic ether to recover tetrahydrofuran monomer.
Public/Granted literature
- US20130053583A1 DEPOLYMERIZATION OF OLIGOMERIC CYCLIC ETHERS Public/Granted day:2013-02-28
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